Split type non-contact encoder and rotating device

Abstract

The utility model relates to the technical field of encoders. In view of the problem of inconvenient assembly of a split type encoder in the prior art, the utility model provides a split type non-contact encoder and a rotating device. The encoder comprises an encoder main body which is provided with a first through hole and a second through hole which are arranged along the radial direction; the connecting lugs are arranged at intervals along the circumferential direction of the encoder main body; a circuit board; the measuring assembly is provided with a first fixing hole arranged in the axial direction, and a second fixing hole and a fourth through hole which are arranged in the radial direction; the first through hole is suitable for communicating with the second fixing hole, the aperture of the second fixing hole is smaller than that of the first through hole, and the fourth through hole is suitable for communicating with the second through hole; the preassembled part extends into the second fixing hole through the first through hole; the preassembled part comprises a first connecting section and a second connecting section, the second connecting section is assembled in the second fixing hole, the first connecting section is assembled in the first through hole, and the diameter of the first connecting section is larger than the aperture of the second fixing hole. The encoder is convenient to assemble.

Description

Technical Field

[0001] The present application relates to the technical field of encoders, and in particular to a split-type non-contact encoder and a rotating device. Background Art

[0002] An encoder is a sensor that can transmit angles, speeds, and number of revolutions in real time. It is usually installed on the rotating shaft of a servo motor or automation equipment to convert the speed and angular displacement of the rotating shaft into electrical signals for closed-loop feedback. With the popularization of industrial intelligence, various types of automation equipment have increasingly higher requirements for the stability, accuracy, and other performance of servo control systems. As an important feedback unit in a servo control system, encoders also have increasingly higher requirements for their installation size, stability, and service life.

[0003] At present, mainstream encoders are generally divided into integrated and split types based on their structural forms; and the existing split encoders will package each component separately and assemble them separately when the end user needs to use them. However, during assembly, it is necessary to first position and install the encoder body on the rotating device, and after the measuring component is fixed at a specific height of the output shaft of the rotating device, the circuit board is fixed on the encoder body. Separate assembly consumes a lot of time, and in order to achieve separate positioning and assembly, it is inevitable to design the magnet, grating and other measuring components or the encoder body to avoid position, and additional positioning structures are set to control the position of the measuring component and the encoder body installed on the rotating device, which has the problems of inconvenient processing and assembly and high processing costs. Utility Model Content

[0004] The invention aims to solve the problem of inconvenient assembly of the split encoder in the above-mentioned related technology.

[0005] A first aspect of the present application is to provide a split-type non-contact encoder.

[0006] A second aspect of the present application is to provide a rotating device.

[0007] In view of this, according to the first aspect of the present application, a split non-contact encoder is proposed, including: an encoder body, a receiving cavity is provided inside the encoder body; the encoder body is provided with a first through hole and a second through hole arranged in a radial direction, and the first through hole and the second through hole are arranged at intervals; a connecting ear is arranged at intervals along the circumference of the encoder body, and a third through hole is provided on the connecting ear; a circuit board is connected to the encoder body, and the circuit board is at least partially accommodated in the receiving cavity; a measuring component is arranged in the receiving cavity, and the measuring component is provided with a first fixing hole arranged in an axial direction and a second fixing hole and a fourth through hole arranged in a radial direction, and the second fixing hole and the fourth through hole are arranged at intervals; the first through hole is suitable for communicating with the second fixing hole, and the aperture of the second fixing hole is smaller than the aperture of the first through hole, and the fourth through hole is suitable for communicating with the second through hole; a preassembled part extends into the second fixing hole through the first through hole; the preassembled part includes a first connecting section and a second connecting section, and the second connecting section is assembled in the second fixing hole, the first connecting section is assembled in the first through hole, and the diameter of the first connecting section is larger than the aperture of the second fixing hole.

[0008] In the above technical solution, by setting the pre-installed component, before the split non-contact encoder is used, the pre-installed component extends into the second fixing hole through the first through hole, so that the encoder body and the measuring component are relatively fixed, thereby ensuring that the relative position of the measuring component and the circuit board remains stable, avoiding the reduction or failure of the function of the split non-contact encoder due to misalignment during installation, transportation, etc., thereby helping to improve the installation yield and efficiency of the split non-contact encoder. Further, by setting the aperture of the second fixing hole smaller than the aperture of the first through hole, and the diameter of the first connecting section larger than the aperture of the second fixing hole, such a design limits the length of the pre-installed component extending into the second fixing hole, thereby avoiding the influence of the pre-installed component on the measuring component during installation, and ensuring that the relative position of the measuring component and the circuit board remains stable. Finally, by setting connecting ears on both sides of the encoder body and providing a third through hole on the connecting ears, in actual use, it can be connected to the device under test through the third through hole, thereby facilitating installation and replacement.

[0009] In some technical solutions, optionally, the measuring component includes: a grating, which is arranged in the accommodating cavity; and a rotating shaft, which is connected to the grating; wherein the first fixing hole, the second fixing hole and the fourth through hole are arranged on the rotating shaft.

[0010] In some technical solutions, optionally, a light source assembly is further included; the light source assembly is arranged in the accommodating cavity. The light source assembly can provide a stable light source to ensure the normal operation of the circuit board and the grating.

[0011] In some technical solutions, optionally, the light source assembly includes: a fixing frame, which is disposed in the accommodating cavity and is detachably connected to the encoder body; and an LED lamp, which is disposed on the fixing frame.

[0012] In some technical solutions, the second fixing hole is optionally a through hole. Such a design facilitates processing. In actual processing, in order to facilitate processing and assembly, the second fixing hole and the fourth through hole have the same aperture; such a design can simplify the processing process, and at the same time, during assembly, there is no need to consider the problem of aperture mismatch, thereby helping to improve assembly efficiency.

[0013] In some technical solutions, optionally, a fixing piece is further included; the fixing piece extends into the first fixing hole through the second through hole and the fourth through hole.

[0014] In some technical solutions, optionally, the preassembled part is a screw; and / or the fixing part is a screw.

[0015] In some technical solutions, optionally, the circuit board can be detachably mounted on the encoder body.

[0016] In some technical schemes, optionally, a fastener is also included; wherein a third fixing hole is provided on the side opposite to the encoder body and the circuit board; a fifth through hole suitable for connecting with the third fixing hole is provided on the circuit board; and the fastener extends from the fifth through hole into the third fixing hole to fix the circuit board on the encoder body.

[0017] In the above technical solution, when the circuit board fails or needs to be upgraded, the detachable design allows it to be removed from the encoder body, thereby reducing downtime and improving equipment availability; at the same time, during maintenance, there is no need to disassemble the entire split non-contact encoder, only the circuit board part needs to be operated, which reduces the complexity and cost of maintenance; it also reduces the risk of damage that may be caused during disassembly and reinstallation.

[0018] According to the second aspect of the present application, the present application further proposes a rotating device, comprising a rotating body, a rotating shaft and a split non-contact encoder as proposed in any of the above technical solutions; wherein the rotating body is provided with a fourth fixing hole suitable for communicating with the third through hole; and the rotating shaft extends into the first fixing hole. Therefore, the rotating device has all the beneficial effects of any of the above technical solutions, which will not be described in detail here.

[0019] Additional aspects and advantages of the present application will become apparent in the following description or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 One of the structural schematic diagrams of the split-type non-contact encoder in the embodiment of the present application is shown;

[0022] Figure 2 The second structural schematic diagram of the split type non-contact encoder in the embodiment of the present application is shown;

[0023] Figure 3 The third structural diagram of the split-type non-contact encoder in the embodiment of the present application is shown;

[0024] Figure 4 A fourth structural schematic diagram of a split-type non-contact encoder in an embodiment of the present application is shown;

[0025] Figure 5 A schematic structural diagram of a rotating device in an embodiment of the present application is shown.

[0026] in, Figures 1 to 5 The corresponding relationship between the reference numerals and the component names is as follows:

[0027] 10-split non-contact encoder; 100-encoder body; 101-accommodating cavity; 102-first through hole; 103-second through hole; 110-connecting ear; 111-third through hole; 112-first screw; 120-circuit board; 121-fifth through hole; 130-measuring component; 131-first fixing hole; 132-second fixing hole; 133-fourth through hole; 134-grating; 135-rotating shaft; 140-pre-assembled component; 141-first connecting section; 142-second connecting section; 150-fixing member; 160-light source component; 161-fixing frame; 162-LED lamp; 163-second screw; 170-fastener;

[0028] 20 - rotating device; 210 - rotating body; 211 - fourth fixing hole; 220 - rotating shaft. DETAILED DESCRIPTION

[0029] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0031] Combine the following Figures 1 to 5 , the split non-contact encoder and the rotating device provided in the embodiment of the present application are described in detail through specific embodiments and their application scenarios.

[0032] Reference Figure 1 , Figure 2 and Figure 4 An embodiment of the present application provides a split-type non-contact encoder 10 , the structure of which includes: an encoder body 100 , a connecting ear 110 , a circuit board 120 , a measuring component 130 and a pre-installed component 140 .

[0033] Specifically, an accommodating cavity 101 is provided inside the encoder body 100, and a first through hole 102 and a second through hole 103 are arranged in a radial direction on the encoder body 100, and the first through hole 102 and the second through hole 103 are both connected to the accommodating cavity 101, and the first through hole 102 and the second through hole 103 are arranged at intervals along the circumference of the encoder body 100. The connecting ears 110 are arranged at intervals along the circumference of the encoder body 100, and the connecting ears 110 are provided with a third through hole 111. The circuit board 120 is connected to the encoder body 100, and the circuit board 120 is at least partially located in the accommodating cavity 101. The measuring assembly 130 is arranged in the accommodating cavity 101. The measuring assembly 130 is provided with a first fixing hole 131 arranged in the axial direction and a second fixing hole 132 and a fourth through hole 133 arranged in the radial direction. The second fixing hole 132 and the fourth through hole 133 are arranged at intervals along the circumference of the measuring assembly 130. The second fixing hole 132 is suitable for communicating with the first through hole 102 to form a pre-installed space, and the aperture of the second fixing hole 132 is smaller than the aperture of the first through hole 102. The fourth through hole 133 is suitable for communicating with the second through hole 103 to form a fixed space. The pre-installed component 140 extends into the second fixing hole 132 through the first through hole 102, that is, assembled in the pre-installed space. The pre-installed component 140 includes a first connecting section 141 and a second connecting section 142. The second connecting section 142 is assembled in the second fixing hole 132. The first connecting section 141 is assembled in the first through hole 102, and the diameter of the first connecting section 141 is larger than the aperture of the second fixing hole 132.

[0034] In the above embodiment, by setting the pre-installed component 140, before the split non-contact encoder 10 is used, the pre-installed component 140 extends into the second fixing hole 132 through the first through hole 102, so that the encoder body 100 and the measuring component 130 are relatively fixed, thereby ensuring that the relative position of the measuring component 130 and the circuit board 120 remains stable, avoiding the function of the split non-contact encoder 10 being reduced or invalid due to misalignment during installation, transportation, etc., thereby helping to improve the installation yield and efficiency of the split non-contact encoder 10. Further, by setting the aperture of the second fixing hole 132 to be smaller than the aperture of the first through hole 102, and the diameter of the first connecting section 141 to be larger than the aperture of the second fixing hole 132, such a design limits the length of the pre-installed component 140 extending into the second fixing hole 132, thereby avoiding the influence of the pre-installed component 140 on the measuring component 130 during installation, and ensuring that the relative position of the measuring component 130 and the circuit board 120 remains stable. Finally, by providing connecting ears 110 on both sides of the encoder body 100 and providing a third through hole 111 on the connecting ears 110, in actual use, it can be connected to the device under test through the third through hole 111 (such as using the first screw 112 to connect), thereby facilitating installation and replacement.

[0035] In practical applications, the rotating shaft of the device under test is first inserted into the first fixing hole 131, and connected to the device under test through the first screw 112 and the third through hole 111 on the connecting ear 110, so as to fix the split non-contact encoder 10 on the device under test; then, the fixing member 150 is inserted into the first fixing hole 131 through the second through hole 103 of the encoder body 100 and the fourth through hole 133 on the measuring component 130, and contacts and locks the rotating shaft, so that the measuring component 130 and the rotating shaft are relatively fixed; finally, the pre-assembled member 140 is taken out, so that the encoder body 100 and the measuring component 130 are detached from the fixing, and non-contact is achieved, which helps to increase the service life.

[0036] It is understandable that, in order to achieve a stable connection, the number of the second fixing holes 132 is at least three, and the number of the fourth through holes 133 is at least two, which are arranged at intervals along the circumference of the measuring component 130. It is understandable that, accordingly, the first through hole 102, the second through hole 103, the second fixing hole 132, and the fourth through hole 133 on the encoder body 100 are arranged in a one-to-one correspondence.

[0037] In some embodiments, the measuring component 130 includes a grating 134 and a rotating shaft 135. The grating 134 is disposed in the accommodating cavity 101; the rotating shaft 135 is connected to the grating 134. A reading head is disposed on the side of the circuit board 120 close to the grating 134 to compile and convert the sensed grating data into an electrical signal; the first fixing hole 131, the second fixing hole 132 and the fourth through hole 133 are all disposed on the rotating shaft 135.

[0038] It is understandable that the measuring component 130 may also be made of a magnet or a magnetic conductive material, and this embodiment is not limited thereto.

[0039] Reference Figure 2 and Figure 3 In the above embodiment, the split non-contact encoder 10 further includes a light source assembly 160. The light source assembly 160 is disposed in the accommodating cavity 101 to provide a stable light source to ensure the normal operation of the circuit board 120 and the grating 134.

[0040] In practical applications, the light source assembly 160 includes: a fixing frame 161 and an LED lamp 162. Specifically, the fixing frame 161 is disposed in the accommodating cavity 101 and is detachably connected to the encoder body 100; the LED lamp 162 is disposed on the fixing frame 161.

[0041] In practical applications, the fixing bracket 161 and the encoder body 100 can be connected by the second screw 163. It is understandable that in practical applications, the detachable connection can also be achieved by bonding and snapping, and the present embodiment is not limited thereto.

[0042] In some embodiments, the second fixing hole 132 is a through hole, that is, the second fixing hole 132 passes through the rotating shaft 135. In this way, during processing, there is no need to consider whether the hole will be drilled too deep, thereby facilitating processing. It is understandable that in actual processing, in order to facilitate processing and assembly, the apertures of the second fixing hole 132 and the fourth through hole 133 are equal. This design can simplify the processing process, and at the same time, during assembly, there is no need to consider the problem of aperture mismatch, thereby helping to improve assembly efficiency.

[0043] Reference Figure 2 and Figure 4 In some embodiments, the split-type contactless encoder 10 further includes a fixing member 150 ; the fixing member 150 extends into the first fixing hole 131 through the second through hole 103 and the fourth through hole 133 .

[0044] In the above embodiment, the pre-assembled part 140 is a screw, and / or the fixing part 150 is a screw. As a common fastening structure, the screw connection structure is relatively simple to assemble and disassemble, and is easy to obtain and has low cost. It is understandable that in addition to screws, the pre-assembled part 140 and the fixing part 150 can also use other connection structures that can achieve a fastening effect, such as rivets, pins, and buckles, and the present embodiment is not limited thereto.

[0045] In the above embodiment, the first through hole 102 and the fourth through hole 133 are threaded holes.

[0046] In some embodiments, the circuit board 120 is detachably mounted on the encoder body 100. With this design, when the circuit board 120 fails or needs to be upgraded, the detachable design allows it to be removed from the encoder body 100, thereby reducing downtime and improving the practicality of the device; at the same time, during maintenance, there is no need to disassemble the entire split non-contact encoder 10, only the circuit board 120 needs to be operated, which reduces the complexity and cost of maintenance, and also reduces the risk of damage caused by disassembly and reassembly.

[0047] Reference Figure 1 and Figure 3 In practical applications, the split non-contact encoder 10 further includes a fastener 170. Specifically, a third fixing hole is provided on a side opposite to the encoder body 100 and the circuit board 120; correspondingly, a fifth through hole 121 suitable for communicating with the third fixing hole is provided on the circuit board 120; the fastener 170 extends from the fifth through hole 121 into the third fixing hole to fix the circuit board 120 on the encoder body 100.

[0048] In the above embodiment, the fastener 170 is a screw. It is understandable that the fastener 170 can also be a rivet, a pin, a buckle or other connection structures that can achieve a fastening effect, and the present embodiment is not limited thereto.

[0049] Reference Figure 1 , Figure 2 and Figure 5 In some embodiments, the present application further provides a rotating device 20, comprising a rotating body 210, a rotating shaft 220, and a split non-contact encoder 10 provided in any of the above embodiments; wherein the rotating body 210 is provided with a fourth fixing hole 211 adapted to communicate with the third through hole 111, and the rotating shaft 220 extends into the first fixing hole 131. Therefore, the rotating device 20 has all the beneficial effects of any of the above embodiments, which will not be described in detail.

[0050] It should be clarified that in the claims, specification and drawings of the present application, the term "multiple" refers to two or more than two. Unless otherwise clearly defined, the orientation or position relationship indicated by the terms "upper" and "lower" is based on the orientation or position relationship shown in the drawings, which is only for the purpose of more conveniently describing the present application and making the description process easier, rather than indicating or implying that the device or element referred to must have the specific orientation described, be constructed and operated in a specific orientation, so these descriptions cannot be understood as limitations on the present application; the terms "connect", "install", "fix" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection between multiple objects, or a detachable connection between multiple objects, or an integral connection; it can be a direct connection between multiple objects, or an indirect connection between multiple objects through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood based on the specific circumstances of the above data.

[0051] In the claims, specification and drawings of the present application, the description of the terms "one embodiment", "some embodiments", "specific embodiments" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the claims, specification and drawings of the present application, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0052] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A split non-contact encoder, characterized in that: include: An encoder body, wherein a receiving cavity is provided inside the encoder body; the encoder body is provided with a first through hole and a second through hole arranged in a radial direction, and the first through hole and the second through hole are arranged at intervals; Connecting ears are arranged at intervals along the circumference of the encoder body, and a third through hole is provided on the connecting ears; A circuit board connected to the encoder body, and the circuit board is at least partially accommodated in the accommodation cavity; A measuring component is arranged in the accommodating cavity, and is provided with a first fixing hole arranged in the axial direction, and a second fixing hole and a fourth through hole arranged in the radial direction, wherein the second fixing hole and the fourth through hole are arranged at intervals; the first through hole is suitable for communicating with the second fixing hole, and the aperture of the second fixing hole is smaller than the aperture of the first through hole, and the fourth through hole is suitable for communicating with the second through hole; A preassembled component extends into the second fixing hole through the first through hole; the preassembled component includes a first connecting section and a second connecting section, and the second connecting section is assembled in the second fixing hole, the first connecting section is assembled in the first through hole, and the diameter of the first connecting section is larger than the aperture of the second fixing hole.

2. The split type non-contact encoder according to claim 1, characterized in that: The measuring assembly comprises: A grating is disposed in the accommodating cavity; A rotating shaft connected to the grating; Wherein, the first fixing hole, the second fixing hole and the fourth through hole are arranged on the rotating shaft.

3. The split type non-contact encoder according to claim 2, characterized in that: It also includes a light source component; the light source component is arranged in the accommodating cavity.

4. The split type non-contact encoder according to claim 3, characterized in that: The light source assembly comprises: A fixing frame, disposed in the accommodating cavity and detachably connected to the encoder body; The LED lamp is arranged on the fixing frame.

5. The split-type non-contact encoder according to any one of claims 1 to 4, characterized in that: The second fixing hole is a through hole.

6. The split-type non-contact encoder according to any one of claims 1 to 4, characterized in that: It also includes a fixing piece; the fixing piece extends into the first fixing hole through the second through hole and the fourth through hole.

7. The split type non-contact encoder according to claim 6, characterized in that: The preassembled part is a screw; and / or the fixing part is a screw.

8. The split-type non-contact encoder according to any one of claims 1 to 4, characterized in that: The circuit board is detachably mounted on the encoder body.

9. The split type non-contact encoder according to claim 8, characterized in that: Also included are fasteners; Wherein, a third fixing hole is provided on a side of the encoder body opposite to the circuit board; The circuit board is provided with a fifth through hole suitable for communicating with the third fixing hole; The fastener extends from the fifth through hole into the third fixing hole to fix the circuit board on the encoder body.

10. A rotating device, characterized in that: It comprises a rotating body, a rotating shaft and a split non-contact encoder as claimed in any one of claims 1 to 9; Wherein, the rotating body is provided with a fourth fixing hole suitable for communicating with the third through hole; The rotating shaft extends into the first fixing hole.

Images